Home / 7,259.87-10,019.09-4,073.40

Finding the Fourth Proportional to 7,259.87, 10,019.09 and 4,073.40

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Solution

The fourth proportional to 7,259.87, 10,019.09 and 4,073.40 is: 5,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.87 : 10,019.09 = 4,073.40 : x
  2. Step 2: Convert to fraction form
    7,259.87/10,019.09 = 4,073.40/x
  3. Step 3: Cross multiply
    7,259.87x = 10,019.09 × 4,073.40
  4. Step 4: Simplify right side
    7,259.87x = 40,811,761.21
  5. Step 5: Solve for x
    x = 40,811,761.21/7,259.87
  6. Step 6: Final answer
    x = 5,621.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.